Method for reducing displacement deformation of foundation pit: Fid-Bau Portal

Method for reducing displacement deformation of foundation pit

ZHONG MANQUN / LU BIN / ZHANG MINGQIANG

A method for reducing displacement deformation of a foundation pit is suitable for a foundation pit with heavy excavation, poor soil quality and large deformation of a foundation pit support and is characterized by comprising the following steps that a, a gap between a foundation pit bottom plate and the foundation pit support is poured with concrete; and b, arranging a drainage ditch in the middle of the concrete outside the underground diaphragm wall. The method for reducing displacement deformation of the foundation pit has the advantages that deformation of the foundation pit is reduced, the method is suitable for the foundation pit with heavy excavation, poor soil texture and large foundation pit supporting deformation, stability of the foundation pit is guaranteed, construction operation is convenient and fast, stress is more stable, and construction of a foundation outer side formwork is saved.

一种减少基坑位移变形的方法，适用大开挖、土质差及基坑支护变形较大的基坑，其特征在于包括以下步骤：a、基坑底板与基坑支护间的空隙用混凝土浇筑；b、在地下连续墙外侧的混凝土中间设置排水沟。本发明的减少基坑位移变形的方法具有减少基坑变形，适用大开挖，土质差及基坑支护变形较大的基坑，保证基坑稳定，施工操作方便快捷，受力更稳定和节省基础外边模板的施工的优点。

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